mycat双主双从读写分离

<?xml version="1.0"?>
<!DOCTYPE mycat:schema SYSTEM "schema.dtd">
<mycat:schema xmlns:mycat="http://io.mycat/">

	<schema name="TESTDB" checkSQLschema="false" sqlMaxLimit="100" dataNode="dn1" >
		 
	</schema>
	 
	<dataNode name="dn1" dataHost="host1" database="jeesun_goods" />
	
	<dataHost name="host1" maxCon="1000" minCon="10" balance="1"
			  writeType="0" dbType="mysql" dbDriver="native" switchType="1"  slaveThreshold="100">
		<heartbeat>select user()</heartbeat>
		<!-- can have multi write hosts -->
		<writeHost host="hostM1" url="192.168.31.52:3306" user="root"
				   password="root12">
			<!-- can have multi read hosts -->
			<readHost host="hostS2" url="192.168.31.52:3307" user="root" password="root12" /> 
		</writeHost>
        <writeHost host="hostM2" url="192.168.31.52:3308" user="root"
				   password="root12">
			<!-- can have multi read hosts -->
			<readHost host="hostS2" url="192.168.31.52:3309" user="root" password="root12" /> 
		</writeHost>
	</dataHost>
	
</mycat:schema>